Section 1.4:Before You Begin 111.3 Security, Quality Assurance, and Red HatNetworkRed Hat Network provides significant benefits to your network including security and quality assur-ance. All transactions made between you and Red Hat Network are encrypted, and all RPM packagesare signed with Red Hat’s GNU Privacy Guard (GPG) signature to ensure authenticity.Red Hat Network incorporates the following security measures:1. Your System Profile available at http://rhn.redhat.com is only accessible with the correct username and password.2. A Digital Certificate stored on the client system in the file /etc/sysconfig/rhn/systemidafter registration is used to authenticate the system during each transaction between the client andRed Hat Network.3. All notifications and information messages are signed by Red Hat with an electronic signature us-ing GPG. The rpm utility can be used to verify the authenticity of the package before it is installed.4. All transactions are encrypted using a Secure Sockets Layer (SSL) connection.5. All packages are tested and verified by the Red Hat Quality Assurance Team before they are addedto the Red Hat errata list and Red Hat Network.1.4 Before You BeginRed Hat Network is available for Red Hat Linux 6.2 and higher. For instructions on configuring RedHat Linux 6.2 for Red Hat Network, refer to Chapter 7, Using Red Hat Network with Red Hat Linux6.2.By default, all the software packages you need to use Red Hat Network are installed with Red HatLinux 7 and higher. However, if you chose not to install them during the installation process or per-formed an upgrade from Red Hat Linux 6.2 or lower, you might not have the Red Hat NetworkRegistration Client or the Red Hat Update Agent installed. To verify that the Red Hat NetworkRegistration Client is installed, type the following command:rpm -q rhn_registerIf the Red Hat Network Registration Client is installed, it will return something similar torhn_register-1.5.0-1The version number might differ slightly if you have a newer version installed.If you do not have Red Hat Network Registration Client installed, the command will return